What amount of water could be heated by car-s energy
Assume that the kinetic energy of a 1100{rm kg} car moving at 125{rm km/h} could be converted entirely into heat. What amount of water could be heated from 21C to 52C by the car's energy.
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A man is running at speed c (much less than the speed of light) to catch a bus already at a stop. At t=0, when he is a distance b from the door to the bus, the bus starts moving with the positive acceleration a. Use a coordinate system with x=0 a
When 40 mL 0.600 M NaOH(aq) is added to 100 mL 1.0 M HCl(aq) the temperature rises 1.29 oC. Calculate the molar enthalpy of neutralization, ΔHneutralization(kJ/mol NaOH).
Critique federal government's method(s) for granting pay raises. Describe the methods and make recommendations for improvement. Be realistic and consider if and how the difficult economy is impacting your employer.
A loudspeaker of mass 17.0 {rm kg} is suspended a distance of h = 2.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.70 {rm m}.
An 9.0 m, 200 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. How far up the ladder can an 760 N person climb befor
Mary weighs 475 N and she walks down a flight of stairs to a level 5.00 m below her starting point. What is the change in Mary's potential energy
When a 124 N bag of nails hangs motionless from a single vertical strand of rope, how much tension is exerted in the strand?
A 21.2 mL sample of a weak monoprotic acid, HX, requires 50.0 mL of 0.045 M NaOH to reach the equivalence point. After the addition of 30.0 mL of NaOH, the pH is 4.90. What is the Ka of HX?
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You can propose any historiographic study of military or diplomatic history (perhaps one connected with a desired capstone research agenda?).
How would you characterize the social, political, economic, and religious structures of ancient Sumerian civilization?
Based on your readings/studies, how would you characterize the social, political, economic, and religious structures of ancient Egyptian civilization?
Select a book about history relating to the period between approximately 3500 B.C. and A.D. 1600. Be careful not to choose a novel; a novel is a work of fiction
Why were railroads so important to America's second industrial revolution? What events demonstrate their influence on society and politics, as well as economy?
"In addition to childrearing, women played as important, if not more important, a role as men in hunter-gatherer societies and the change to settled agriculture
Why is it important to consider diverse perspectives in the interpretation of history? How can society positively integrate aspects of history